Struct SystemNow

pub struct SystemNow { /* private fields */ }

A handle to a source of time.

Clock instances return Instant values corresponding to “now”. The source of these values is configurable. The default source is Instant::now.

Implementations

impl Clock

pub fn new() -> Clock

Return a new Clock instance that uses the current execution context’s source of time.

pub fn new_with_now<T: Now>(now: T) -> Clock

Return a new Clock instance that uses now as the source of time.

pub fn system() -> Clock

Return a new Clock instance that uses Instant::now as the source of time.

pub fn now(&self) -> Instant

Returns an instant corresponding to “now” by using the instance’s source of time.

Trait Implementations

impl Clone for Clock

fn clone(&self) -> Clock

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for Clock

fn fmt(&self, fmt: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Default for Clock

fn default() -> Clock

Returns the “default value” for a type.